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Intake, digestibility, and performance of steers fed diets based on two corn silage hybrids and two concentrate levels Arq. Bras. Med. Vet. Zootec.
Chizzotti,F.H.M.; Pereira,O.G.; Valadares Filho,S.C.; Tedeschi,L.O.; Ribeiro,K.G.; Pereira,D.H..
A trial involving a 2x2 factorial arrangement of treatments was conducted to evaluate two corn silage hybrids (Agromen, AGN35-A42) and (Bayer, A3663) and concentrate levels (25 and 50%) on animal performance. Twenty-four Holstein x Zebu crossbred steers, averaging 335±30kg of BW, were distributed in six randomized blocks to evaluate intake, digestibility, and performance. Treatments consisted of 75% corn silage A + 25% concentrate, 50% corn silage A + 50% concentrate, 75% corn silage B + 25% concentrate, and 50% corn silage B + 50% concentrate (dry matter basis); formulated to be isonitrogenous (13% crude protein, dry matter basis). There were no differences in the daily intakes of dry matter (DM), organic matter (OM), and crude protein. Additionally,...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Steer; Feedlot; Roughage; Total digestible nutrient.
Ano: 2010 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-09352010000400016
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Intake, digestibility, ruminal parameters, and microbial protein synthesis in crossbred steers fed diets based on Brachiaria grass silage and sorghum silage Arq. Bras. Med. Vet. Zootec.
Chizzotti,F.H.M.; Pereira,O.G.; Valadares Filho,S.C.; Chizzotti,M.L.; Leão,M.I.; Pereira,D.H.; Tedeschi,L.O..
A trial was carried out with four Holstein x Nellore crossbred steers (225±22kg of BW) fitted with ruminal and abomasal cannulaes in a 4 x 4 Latin Square design to evaluate the intake and the total and partial apparent digestibilities of nutrients, ruminal parameters, and microbial synthesis. Diets consisted of 60% silage and 40% concentrate formulated to be isonitrogenous (12.5% of crude protein, dry matter basis). Treatments consisted of different proportions of Brachiaria brizantha grass silage and sorghum silage: 100:0; 67:33; 33:67, and 0:100%, respectively, on dry matter basis. The intake of dry matter, organic matter, crude protein, ether extract, non-fiber carbohydrates, and total digestible nutrients linearly increased (P<0.01) as levels of...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Brachiaria brizantha; Microbial efficiency; Total digestible nutrients.
Ano: 2009 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-09352009000600012
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